MFI SYSTEM CHECK PROCEDURE (4WD
M/T)
HINT:
• Perform all voltage measurements with the connec–
tors connected.
• Verify that the battery voltage is 11 V or more when
the ignition switch is in ”ON” position.
Using a voltmeter with high impedance (10 k/V
minimum), measure the voltage at each terminal of
the wiring connector.
Terminals of ECM KWD M/T)
OXYGEN SENSOR HEATER (MAIN)
ENGINE COOLANT TEMP. SENSOR
OXYGEN SENSOR HEATER (SUB)
MALFUNCTION INDICATOR LAMP
BATTERY POSITIVE VOLTAGE
–THROTTLE POSITION SENSOR
FUEL PRESSURE CONTROL VSV
THROTTLE POSITION SENSOR
THROTTLE POSITION SENSOR
INTAKE AIR TEMP. SENSOR
VOLUME AIR FLOW METER
VOLUME AIR FLOW METER
OXYGEN SENSOR (MAIN)
OXYGEN SENSOR (SUB)
EGR GAS TEMP. SENSOR
COLD START INJECTOR
STOP LIGHT SWITCH
* : California only
STARTER SWITCH
SENSOR GROUND
ENGINE GROUND
ENGINE GROUND
ENGINE GROUND
SENSOR GROUND
KNOCK SENSOR
SPEED SENSOR
Terminal Name Terminal Name
ECM Terminals
4WD SWITCH
DISTRIBUTOR
PNP SWITCH
MAIN RELAY
MAIN RELAY
Symbol
INJECTOR
INJECTOR
PAIR VSV
EGR VSV
IGNITER
IGNITER
Symbol
DLC 1
D LC 1
D LC 1
–ENGINE MFI SYSTEM
EG1–141
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